Extension builder estimates (based on hourly rates) to build a single storey extension in Thamesdown
Range from the cheapest single storey extension £32400 (David gough based in GL7) to the dearest single storey extension £46000 (Austen Dawson (UK) Ltd based in SN6).
Comparing extension builders estimates for fitting a downstairs toilet gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to build a single storey extension in Thamesdown by posting a job with HaMuch and we will send it to extension builders in Thamesdown.
Estimates for common extension builder jobs in Thamesdown;
| Job | Estimate |
| Underpinning a house | £17195 |
| Build a two storey extension | £87543 |
| Build a timber frame extension | £25695 |
| Install a swimming pool | £80695 |
| Cost to build a single storey extension | £43907 |
| Cost to build a side return extension | £34073 |
| Install an RSJ | £1895 |
| Build an outbuilding | £9695 |
| Build a mansard loft conversion | £51695 |
| Cost of a loft conversion | £30894 |
| Build a kitchen extension | £41695 |
| Build a hip to gable loft conversion | £41695 |
| Build a granny annexe | £86695 |
| Build a garden office | £9695 |
| Convert a garage | £15695 |
| Build a flat roof extension | £21695 |
| Build a dormer loft conversion | £41695 |
| Lay a concrete foundation | £5945 |
| Convert a bungalow loft | £28695 |
| Basement conversion cost | £34073 |